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Add ENTRY_FLAG_DEFAULT_PAGE and ENTRY_FLAG_DEFAULT_TABLE

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This commit is contained in:
Jeremy Soller
2021-01-14 09:16:37 -07:00
parent fad48af985
commit dafd9cb3c4
4 changed files with 10 additions and 8 deletions
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src/page/mapper.rs
+2 -2
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@@ -55,7 +55,7 @@ impl<'f, A: Arch, F: FrameAllocator> PageMapper<'f, A, F> {
pub unsafe fn map_phys(&mut self, virt: VirtualAddress, phys: PhysicalAddress, flags: usize) -> Option<PageFlush<A>> {
//TODO: verify virt and phys are aligned
//TODO: verify flags have correct bits
let entry = PageEntry::new(phys.data() | flags | A::ENTRY_FLAG_PRESENT);
let entry = PageEntry::new(phys.data() | flags | A::ENTRY_FLAG_DEFAULT_PAGE);
let mut table = self.table();
loop {
let i = table.index_of(virt)?;
@@ -70,7 +70,7 @@ impl<'f, A: Arch, F: FrameAllocator> PageMapper<'f, A, F> {
None => {
let next_phys = self.allocator.allocate_one()?;
//TODO: correct flags?
table.set_entry(i, PageEntry::new(next_phys.data() | A::ENTRY_FLAG_WRITABLE | A::ENTRY_FLAG_PRESENT));
table.set_entry(i, PageEntry::new(next_phys.data() | A::ENTRY_FLAG_WRITABLE | A::ENTRY_FLAG_DEFAULT_TABLE));
table.next(i)?
}
};